Search a number
-
+
151612072 = 23312772207
BaseRepresentation
bin10010000100101…
…10101010101000
3101120021200122221
421002112222220
5302303041242
623013323424
73520452463
oct1102265250
9346250587
10151612072
1178643437
1242936574
13255448b1
14161c82da
15d49c167
hex9096aa8

151612072 has 32 divisors (see below), whose sum is σ = 294635520. Its totient is φ = 73062720.

The previous prime is 151612063. The next prime is 151612073. The reversal of 151612072 is 270216151.

It is a super-2 number, since 2×1516120722 = 45972440752266368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (151612073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67593 + ... + 69799.

It is an arithmetic number, because the mean of its divisors is an integer number (9207360).

Almost surely, 2151612072 is an apocalyptic number.

It is an amenable number.

151612072 is a deficient number, since it is larger than the sum of its proper divisors (143023448).

151612072 is a wasteful number, since it uses less digits than its factorization.

151612072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 151612072 is about 12313.0853972512. The cubic root of 151612072 is about 533.2259308033.

The spelling of 151612072 in words is "one hundred fifty-one million, six hundred twelve thousand, seventy-two".

Divisors: 1 2 4 8 31 62 124 248 277 554 1108 2207 2216 4414 8587 8828 17174 17656 34348 68417 68696 136834 273668 547336 611339 1222678 2445356 4890712 18951509 37903018 75806036 151612072